added polar angles are in radians

docs/api/en/math/Spherical.html

@@ -20,8 +20,8 @@
 		<p>
 		[page:Float radius] - the radius, or the [link:https://en.wikipedia.org/wiki/Euclidean_distance Euclidean distance]
 		(straight-line distance) from the point to the origin. Default is *1.0*.<br />
-		[page:Float phi] - polar angle from the y (up) axis. Default is *0*.<br />
-		[page:Float theta] - equator angle around the y (up) axis. Default is *0*.<br /><br />
+		[page:Float phi] - polar angle in radians from the y (up) axis. Default is *0*.<br />
+		[page:Float theta] - equator angle in radians around the y (up) axis. Default is *0*.<br /><br />
 
 		The poles (phi) are at the positive and negative y axis. The equator (theta) starts at positive z.
 		</p>